From 7aa80cfed68fac760bb8208b5c0a8a88074ac2c6 Mon Sep 17 00:00:00 2001
From: Mitchell Barry <mitch.barry@gmail.com>
Date: Sat, 2 Nov 2024 03:28:54 +0000
Subject: [PATCH] WIP adding BenchmarkDotNet

---
 .vscode/launch.json                           | 11 +++++++
 .vscode/tasks.json                            | 14 +++++++++
 src/ConsoleApp/BenchmarkService.cs            | 29 +++++++++++++++++++
 src/ConsoleApp/Program.cs                     | 12 +++++++-
 .../Services/ClientCredentialService.cs       |  4 +--
 src/ConsoleApp/Services/DemoService.cs        |  4 +--
 6 files changed, 69 insertions(+), 5 deletions(-)
 create mode 100644 src/ConsoleApp/BenchmarkService.cs

diff --git a/.vscode/launch.json b/.vscode/launch.json
index aacab3f..bc9cd2b 100644
--- a/.vscode/launch.json
+++ b/.vscode/launch.json
@@ -11,6 +11,17 @@
       "cwd": "${workspaceFolder}/src/ConsoleApp",
       "stopAtEntry": false,
       "console": "internalConsole"
+    },
+    {
+      "name": "Benchmark",
+      "type": "coreclr",
+      "request": "launch",
+      "preLaunchTask": "build:release",
+      "program": "${workspaceFolder}/src/ConsoleApp/bin/Release/net9.0/ConsoleApp.dll",
+      "args": [ "--benchmark", "true" ],
+      "cwd": "${workspaceFolder}/src/ConsoleApp",
+      "stopAtEntry": false,
+      "console": "internalConsole"
     }
   ]
 }
\ No newline at end of file
diff --git a/.vscode/tasks.json b/.vscode/tasks.json
index 1e3e56a..8597eb0 100644
--- a/.vscode/tasks.json
+++ b/.vscode/tasks.json
@@ -12,6 +12,20 @@
         "/consoleloggerparameters:NoSummary;ForceNoAlign"
       ],
       "problemMatcher": "$msCompile"
+    },
+    {
+      "label": "build:release",
+      "command": "dotnet",
+      "type": "process",
+      "args": [
+        "build",
+        "${workspaceFolder}/src/dotnet-basic-console.sln",
+        "-c",
+        "Release",
+        "/property:GenerateFullPaths=true",
+        "/consoleloggerparameters:NoSummary;ForceNoAlign"
+      ],
+      "problemMatcher": "$msCompile"
     }
   ]
 }
\ No newline at end of file
diff --git a/src/ConsoleApp/BenchmarkService.cs b/src/ConsoleApp/BenchmarkService.cs
new file mode 100644
index 0000000..c1a8bf8
--- /dev/null
+++ b/src/ConsoleApp/BenchmarkService.cs
@@ -0,0 +1,29 @@
+using BenchmarkDotNet.Attributes;
+using ConsoleApp.Models.Configuration;
+using ConsoleApp.Services;
+using Microsoft.Extensions.Options;
+
+namespace ConsoleApp;
+
+public class BenchmarkService(
+    IDemoService demoService, 
+    IOptions<ConsoleAppSettings> options)
+{
+    private readonly IDemoService _demoService = demoService;
+    private readonly IOptions<ConsoleAppSettings> _options = options;
+
+    [GlobalSetup]
+    public void Setup()
+    {
+        // initialize things in class if needed
+    }
+
+    [Benchmark]
+    public void WriteWelcomeMessage()
+    {
+        for (var i = 0; i < 100; i++)
+        {
+            _demoService.WriteWelcomeMessage();
+        }
+    }
+}
diff --git a/src/ConsoleApp/Program.cs b/src/ConsoleApp/Program.cs
index eb48cea..32622a6 100644
--- a/src/ConsoleApp/Program.cs
+++ b/src/ConsoleApp/Program.cs
@@ -9,6 +9,7 @@
 using Microsoft.Identity.Client;
 using Serilog;
 using OpenTelemetry.Logs;
+using BenchmarkDotNet.Running;
 
 var builder = Host.CreateDefaultBuilder(args)
     .ConfigureAppConfiguration((hostContext, configBuilder) =>
@@ -54,4 +55,13 @@
 
 using var host = builder.Build();
 
-await host.RunAsync();
+var configuration = host.Services.GetRequiredService<IConfiguration>();
+
+if (configuration.GetValue<bool?>("benchmark") == true)
+{
+    BenchmarkRunner.Run<BenchmarkService>();
+}
+else
+{
+    await host.RunAsync();
+}
diff --git a/src/ConsoleApp/Services/ClientCredentialService.cs b/src/ConsoleApp/Services/ClientCredentialService.cs
index 6df1bd1..114dd54 100644
--- a/src/ConsoleApp/Services/ClientCredentialService.cs
+++ b/src/ConsoleApp/Services/ClientCredentialService.cs
@@ -4,13 +4,13 @@
 
 namespace ConsoleApp.Services;
 
-internal interface IClientCredentialService
+public interface IClientCredentialService
 {
     Task<AuthenticationResult?> GetAuthenticationResult(IEnumerable<string>? scopes = null);
     Task<string> GetAccessToken(IEnumerable<string>? scopes = null);
 }
 
-internal class ClientCredentialService(ILogger<ClientCredentialService> logger,
+public class ClientCredentialService(ILogger<ClientCredentialService> logger,
         IOptions<ConfidentialClientApplicationOptions> confidentialClientApplicationOptions) : IClientCredentialService
 {
     private readonly ILogger<ClientCredentialService> _logger = logger;
diff --git a/src/ConsoleApp/Services/DemoService.cs b/src/ConsoleApp/Services/DemoService.cs
index 0d5776b..13e30dc 100644
--- a/src/ConsoleApp/Services/DemoService.cs
+++ b/src/ConsoleApp/Services/DemoService.cs
@@ -6,13 +6,13 @@
 
 namespace ConsoleApp.Services;
 
-internal interface IDemoService
+public interface IDemoService
 {
     void WriteWelcomeMessage();
     Task<string> MakeGraphApiCall();
 }
 
-internal class DemoService(ILogger<DemoService> logger,
+public class DemoService(ILogger<DemoService> logger,
         IClientCredentialService clientCredentialService,
         IOptions<ConsoleAppSettings> consoleAppSettings,
         IHttpClientFactory httpClientFactory) : IDemoService